Chapter 7 Sampling +∞ p(=2 (=m h2(o) P 0 Zero-Order hold x()=x2()1()=∑x(n)1(-nm) n=-00 88 Chapter 7 Sampling x (t) 0 x (t) p x(t) p(t) (t nT ) n =  − + =−  0 1 T t h (t) 0 Zero-Order Hold x (t) x (t) h (t) x(nT )h (t nT ) n = p  =  − + =− 0 0 0